I'm stumped. I have exploring the use of Aspose Cells for a client. I installed the current version of Aspose.Cells.dll from your site and when I run the a simple test (see below), I receive "Object reference not set to an instance of the object". I have enclosed the workbook in question.
Thoughts?
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private void buttonTest_Click(object sender, EventArgs e)
{
Workbook workbook = new Workbook();
try
{
workbook.Open("C:\\Users\\tobrien\\Desktop\\test.xlsx", FileFormatType.Excel2007Xlsx);
Worksheet worksheet = workbook.Worksheets[0];
Cells cells = worksheet.Cells;
cells["A2"].PutValue("Hello World!");
workbook.Save("C:\\Users\\tobrien\\Desktop\\test.xlsx", FileFormatType.Excel2007Xlsx);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}